CN105449311A - Liquid heat exchange battery module structure - Google Patents
Liquid heat exchange battery module structure Download PDFInfo
- Publication number
- CN105449311A CN105449311A CN201511032094.1A CN201511032094A CN105449311A CN 105449311 A CN105449311 A CN 105449311A CN 201511032094 A CN201511032094 A CN 201511032094A CN 105449311 A CN105449311 A CN 105449311A
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- CN
- China
- Prior art keywords
- battery
- liquid
- battery module
- cavities
- heat exchange
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention discloses a liquid heat exchange battery module structure, and relates to the field of heat balance of cylindrical batteries. A plurality of battery cavities are arranged in a designed battery module; the walls of the battery cavities are made of materials with good thermal conductivity; the battery cavities are surrounded by gaps filled with liquids; a heat-conducting insulated sleeve ring is arranged outside a single cylindrical battery and is arranged in each battery cavity; the overall battery module is sealed and packaged, and is coated with an insulated fireproof thermal-protective coating; and a liquid inlet and a liquid outlet are formed. A novel cylindrical battery liquid cooling/heating battery module conforming to domestic hybrid vehicles or electric vehicles is designed aiming at the cylindrical power batteries. According to the liquid heat exchange battery module structure, the contact area of the liquids and the batteries is increased; heat exchange between the liquids and the batteries is strengthened; single batteries or battery packs always work in an optimum temperature range; the lifetime of a battery system is prolonged; and the safety of the battery system can be improved.
Description
Technical field
The present invention relates to the column electrokinetic cell field of hybrid vehicle or pure electric automobile.
Background technology
In the increasing situations of environmental problem such as energy crisis, global warming, environmental pollution, electric automobile more and more becomes the developing direction of future automobile.Along with going deep into of electric automobile research, electrokinetic cell becomes the focus of research gradually as a critical component of electric automobile, and the quality of electrokinetic cell performance is then the factor of Development of Electric Vehicles.
The principal element affecting the electrokinetic cell life-span has the charge-discharge magnification of battery, discharge and recharge cut-ff voltage, shelves condition, serviceability temperature etc., and these factors influence each other, and mutually restrict.But with regard to serviceability temperature, current electrokinetic cell monomer all cannot normally work under the environment of extreme low temperature (being less than-300C) and thermal extremes (being greater than 500C), cause being that the vehicle of energy source now also cannot normally work with electrokinetic cell, make vehicle cannot reach the requirement of round-the-clock running, comparing its use with orthodox car has larger limitation.
In addition, electric automobile is in startup climbing or when accelerating suddenly, and the battery in centre position accumulates heat, battery temperature sharply rises, battery electrode material, barrier film and electrolyte etc. will decompose, and produce gas and increase inside battery air pressure, produce thermal runaway phenomenon.When situation is serious, even can cause leak of liquid, the serious accident such as to blast, causes potential safety hazard to the operation of vehicle.
The above-mentioned existence with regard to serviceability temperature problem seriously constrains development and the popularization of electric automobile, and therefore, electrokinetic cell has become the bottleneck of new-energy automobile development at present.How battery temperature is controlled in certain scope, be still an insoluble difficult problem in a short time.
Summary of the invention
The present invention is directed to prismatic battery used for electric vehicle, devise a kind of battery modular structure of new liquid cooling/heating.The battery modular structure of this kind of new liquid cooling/heating adds the contact area of fluid and battery, enhance heat exchange between the two, reach the temperature difference reduced between cell and battery pack, cell or battery pack are always worked in in best temperature range, extend the life-span of battery system, and the fail safe of battery system can be improved.
A kind of liquid heat exchange battery modular structure, it is characterized in that, several battery cavities are arranged in described battery module, the space that battery cavities is filled with liquid surrounded, single prismatic battery peripheral hardware heat conductive insulating lasso is also placed in battery cavities, whole battery module packs, external application insulation fire proof heat-insulation layer, and is provided with import and the outlet of liquid.
Further, the chamber wall of described battery cavities is good (metal) material of thermal conductivity.
Further, the height of described battery module is compared with the height of battery cavities, identical or different; Can identical, Lve Gao or lower slightly, so that adopt the device that matches to battery module along the location of short transverse with step up.
Further, the size of described battery cavities and quantity design according to the size of required battery and quantity.
Further, utilize Electric radiant Heating Film that the inwall one side or the multi-lateral along battery module is arranged to heating liquid, or peripheral hardware heater is to heating liquid.
Further, the import of described liquid and outlet are equipped with electromagnetically operated valve.
Several battery cavities are arranged in the battery module of the new liquid cooling/heating designed by the present invention, the chamber wall of battery cavities is the good material of thermal conductivity, the space that battery cavities is filled with liquid surrounded, single prismatic battery peripheral hardware heat conductive insulating lasso is also placed in battery cavities, the battery module of whole liquid cools/heating packs and is provided with import and the outlet of liquid, and import and export is equipped with electromagnetically operated valve, Electric radiant Heating Film that the inwall one side or the multi-lateral along battery module is arranged can be utilized during heating liquid to heating liquid, also can peripheral hardware heater to heating liquid.
Accompanying drawing explanation
Fig. 1 is the battery modular structure schematic diagram of column electrokinetic cell liquid cools/heating.
Wherein:
1, to become attached to fire proof heat-insulation layer 2, electromagnetically operated valve
3, outlet 4, import
5, heat conductive insulating lasso 6, column electrokinetic cell
7, battery cavities
Embodiment
Embodiments of the invention as shown in Figure 1.
Arrange several battery cavities in the battery module of the new liquid cooling/heating designed by the present invention, the space that battery cavities is filled with liquid surrounded, and single prismatic battery peripheral hardware heat conductive insulating lasso is also placed in battery cavities.The battery module of described liquid cools/heating packs, and external application insulation fire proof heat-insulation layer, and is provided with import and the outlet of liquid, the import of described liquid and the arrangement form of outlet unrestricted, and import and export place is equipped with electromagnetically operated valve.Electric radiant Heating Film that the inwall one side or the multi-lateral along battery module is arranged can be utilized during heating liquid to heating liquid, also can peripheral hardware heater to heating liquid.
The chamber wall of described battery cavities is good (metal) material of thermal conductivity.
Smooth outside described heat conductive insulating lasso, to load in battery cavities, can avoid causing damage when dismounting cell to battery simultaneously.
The size of described battery cavities and quantity can design according to the size of required battery and quantity; The arrangement of described battery cavities is unrestricted in the battery module of liquid cools/heating.
The electromagnetically operated valve of described import and export can cut out automatically when battery module internal temperature reaches required temperature, avoids internal temperature too high or too low.
When cooling battery, the evaporator in refrigerating system can be adopted to be cooled liquid by cold-producing medium, also heat exchanger can be adopted to rely on air-cooledly to freeze to liquid, and then cool batteries, and add liquid reserve tank in systems in which, adopt circulating pump to drive liquid to circulate in battery apparatus.
When heating battery, Electric radiant Heating Film that the inwall one side or the multi-lateral along battery module is arranged can be utilized heating liquid, also can peripheral hardware heater to heating liquid, drive liquid to circulate in battery apparatus by circulating pump, and then heating battery.
Described kind of liquid is not limit, the working medium that prioritizing selection conductive coefficient is larger, can increase the heat transfer effect with battery like this.
Claims (6)
1. a liquid heat exchange battery modular structure, it is characterized in that, several battery cavities are arranged in described battery module, the space that battery cavities is filled with liquid surrounded, single prismatic battery peripheral hardware heat conductive insulating lasso is also placed in battery cavities, whole battery module packs, external application insulation fire proof heat-insulation layer, and is provided with import and the outlet of liquid.
2. structure according to claim 1, it is characterized in that, the chamber wall of described battery cavities is metal material.
3. structure according to claim 1, it is characterized in that, the height of described battery module is compared with the height of battery cavities, identical or different.
4. structure according to claim 1, it is characterized in that, the size of described battery cavities and quantity design according to the size of required battery and quantity.
5. structure according to claim 1, is characterized in that, utilize Electric radiant Heating Film that the inwall one side or the multi-lateral along battery module is arranged to heating liquid, or peripheral hardware heater is to heating liquid.
6. structure according to claim 1, it is characterized in that, import and the outlet of described liquid are equipped with electromagnetically operated valve.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201511032094.1A CN105449311A (en) | 2015-12-31 | 2015-12-31 | Liquid heat exchange battery module structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201511032094.1A CN105449311A (en) | 2015-12-31 | 2015-12-31 | Liquid heat exchange battery module structure |
Publications (1)
Publication Number | Publication Date |
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CN105449311A true CN105449311A (en) | 2016-03-30 |
Family
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Family Applications (1)
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CN201511032094.1A Pending CN105449311A (en) | 2015-12-31 | 2015-12-31 | Liquid heat exchange battery module structure |
Country Status (1)
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CN (1) | CN105449311A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108615831A (en) * | 2018-03-21 | 2018-10-02 | 北京工业大学 | A kind of cylindrical battery module and its welding method |
CN112397809A (en) * | 2020-11-13 | 2021-02-23 | 同济大学 | Bidirectional convection type experimental box for lithium ion power battery pack |
CN113823858A (en) * | 2021-08-13 | 2021-12-21 | 上海工程技术大学 | Power battery heat management device |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102237548A (en) * | 2010-05-04 | 2011-11-09 | 微宏动力***(湖州)有限公司 | Assembled cell having built-in liquid cooling structure |
CN102290619A (en) * | 2011-07-29 | 2011-12-21 | 南京双登科技发展研究院有限公司 | Power battery thermal management method |
CN102723446A (en) * | 2012-05-29 | 2012-10-10 | 郑州宇通客车股份有限公司 | Battery inner box and battery temperature control box employing battery inner box |
CN203895574U (en) * | 2014-05-26 | 2014-10-22 | 华霆(合肥)动力技术有限公司 | Honeycomb liquid cooling device for lithium batteries |
CN205303622U (en) * | 2015-12-31 | 2016-06-08 | 北京工业大学 | Liquid heat transfer battery module structure |
-
2015
- 2015-12-31 CN CN201511032094.1A patent/CN105449311A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102237548A (en) * | 2010-05-04 | 2011-11-09 | 微宏动力***(湖州)有限公司 | Assembled cell having built-in liquid cooling structure |
CN102290619A (en) * | 2011-07-29 | 2011-12-21 | 南京双登科技发展研究院有限公司 | Power battery thermal management method |
CN102723446A (en) * | 2012-05-29 | 2012-10-10 | 郑州宇通客车股份有限公司 | Battery inner box and battery temperature control box employing battery inner box |
CN203895574U (en) * | 2014-05-26 | 2014-10-22 | 华霆(合肥)动力技术有限公司 | Honeycomb liquid cooling device for lithium batteries |
CN205303622U (en) * | 2015-12-31 | 2016-06-08 | 北京工业大学 | Liquid heat transfer battery module structure |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108615831A (en) * | 2018-03-21 | 2018-10-02 | 北京工业大学 | A kind of cylindrical battery module and its welding method |
CN112397809A (en) * | 2020-11-13 | 2021-02-23 | 同济大学 | Bidirectional convection type experimental box for lithium ion power battery pack |
CN113823858A (en) * | 2021-08-13 | 2021-12-21 | 上海工程技术大学 | Power battery heat management device |
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Application publication date: 20160330 |